RESUMEN
Bullous pemphigoid (BP) can be comorbid with a variety of immune diseases, such as immune skin diseases (psoriasis, vitiligo, alopecia areata and various other immune bullous diseases) , immune digestive diseases (inflammatory bowel disease, primary biliary cirrhosis) , autoimmune thyroid diseases, autoimmune rheumatic diseases (rheumatoid arthritis, dermatomyositis, scleroderma and systemic lupus erythematosus) , immune renal diseases (immune nephropathy, renal allograft rejection) and acquired hemophilia A. The above comorbidities markedly affect the quality of life of and treatment options for patients. This review elaborates on currently reported immune diseases associated with BP and their concomitant mechanisms.
RESUMEN
Autoimmune diseases (ADs) are due to the lack ofautoantigen immune tolerance and they are chronic and heterogeneous conditions that affect specific target organs or multiple organ systems.Polyautoimmunity (PA) is defined as the presence of more than one AD in a single patient.It provides a major clinical evidence for autoimmune tautology and emphasizes that different immune phenotypes can coexist in the same individual (i.e.,individual carries a unique genotype).When three or more ADs coexist,this condition is called multiple autoimmune syndrome (MAS).This article will make a summary about the pathogenesis of autoimmune diseases and PA and MAS in several common clinical autoimmune diseases in order to help clinical work and further research.